diff options
Diffstat (limited to 'roms/u-boot/doc/device-tree-bindings/sysinfo/gdsys,sysinfo_gazerbeam.txt')
| -rw-r--r-- | roms/u-boot/doc/device-tree-bindings/sysinfo/gdsys,sysinfo_gazerbeam.txt | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/roms/u-boot/doc/device-tree-bindings/sysinfo/gdsys,sysinfo_gazerbeam.txt b/roms/u-boot/doc/device-tree-bindings/sysinfo/gdsys,sysinfo_gazerbeam.txt new file mode 100644 index 000000000..f70652d3c --- /dev/null +++ b/roms/u-boot/doc/device-tree-bindings/sysinfo/gdsys,sysinfo_gazerbeam.txt @@ -0,0 +1,46 @@ +gdsys Gazerbeam sysinfo driver + +This driver provides capabilities to access the gdsys Gazerbeam board's device +information. Furthermore, phandles to some internal devices are provided for +the board files. + +Required properties: +- compatible: should be "gdsys,sysinfo-gazerbeam" +- csb: phandle to the board's coherent system bus (CSB) device node +- rxaui[0-3]: phandles to the rxaui control device nodes +- fpga[0-1]: phandles to the board's gdsys FPGA device nodes +- ioep[0-1]: phandles to the board's IO endpoint device nodes +- ver-gpios: GPIO list to read the hardware version from +- var-gpios: GPIO list to read the hardware variant information from +- reset-gpios: GPIO list for the board's reset GPIOs + +Example: + + +sysinfo { + compatible = "gdsys,sysinfo-gazerbeam"; + csb = <&board_soc>; + serdes = <&SERDES>; + rxaui0 = <&RXAUI0>; + rxaui1 = <&RXAUI1>; + rxaui2 = <&RXAUI2>; + rxaui3 = <&RXAUI3>; + fpga0 = <&FPGA0>; + fpga1 = <&FPGA1>; + ioep0 = <&IOEP0>; + ioep1 = <&IOEP1>; + + ver-gpios = <&PPCPCA 12 0 + &PPCPCA 13 0 + &PPCPCA 14 0 + &PPCPCA 15 0>; + + /* MC2/SC-Board */ + var-gpios-mc2 = <&GPIO_VB0 0 0 /* VAR-MC_SC */ + &GPIO_VB0 11 0>; /* VAR-CON */ + /* MC4-Board */ + var-gpios-mc4 = <&GPIO_VB1 0 0 /* VAR-MC_SC */ + &GPIO_VB1 11 0>; /* VAR-CON */ + + reset-gpios = <&gpio0 1 0 &gpio0 2 1>; +}; |